Recent research shows that widespread use of face masks keeps the coronavirus reproductive rate below 1.0. In combination with lockdown to prevent further waves, new research results suggest this.
A model study by the Universities of Cambridge and Greenwich shows that lockdown alone will not stop the restoration of COVID-19.
Researchers say that even house masks with limited effectiveness can drastically reduce transmission rates if worn by enough people, regardless of whether they show symptoms or not.
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The lead author, Dr. Richard Stutt, who is part of a team that typically shows the spread of plant diseases in the Cambridge Department of Plant Sciences, said: Supporting adoption.
When the widespread use of face masks by the public is associated with physical distance and some barriers, this working vaccine can cope with epidemics and reopen economic activities long before they occur. Can offer an acceptable method.
The corona virus is spread by airborne droplets inhaled by infected people, especially when speaking, coughing or sneezing.
For the latest study, the researchers examined different scenarios for the use of face masks in conjunction with cut-off intervals in order to combine the dynamics of proliferation between individuals with models at the population level. It worked
In the UK, the mask approach should go beyond public transport
Professor John Colon
The modeling included the stages as well as the stages of infection and airborne transmission. The researchers also examined the negative aspects of using a mask, such as: B. an increase in facial expression.
The number of reproductions, or R-number, is the number of people in whom an infected person transmits the virus and must remain below 1.0 in order to reduce the rate of the epidemic. Experts say the R number in the UK is currently 0.7-0.9.
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The study published in Processing A of the Royal Society A found that people who generally wear masks on their heads are twice as effective in reducing R, whereas masks are only worn when symptoms occur. ۔
In all modeling scenarios, the researchers found that the use of face mask routines COVID-19 spread in 50% or more of the population and reduced from 1.0 to R. As a result, the waves of future diseases can be flattened and sealed less tightly. The spread of the virus has continued to decrease as most people wear masks in public.
A man with a face mask in a crowd, Getty Images
Researchers say wearing a 100% mask in combination with a lock is enough to prevent a second wave unless a vaccine is available; Getty Images
According to the study, the use of 100% masks and closed / closed locks prevented the disease from recurring for up to 18 months, which was required for a possible vaccine.
Models suggest that face mask policy – as soon as possible – can still stop the second wave, even if it doesn’t happen 120 days after the outbreak began.
Researchers say that masks that capture only 50% of the droplets emitted can still offer “population-level benefits”. It was also when they quadrupled the risk of contamination to the wearer by repeatedly touching the face and fitting the mask.
Researchers say that house masks mainly spread the disease by trapping the wearer’s own virus particles, while the exposed sides of the mask are often sucked in by breathing air.
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